.big-box {
    width: 100%;
    height: 640px;
    background-color: #fafafa;
    .con {
        width: 1000px;
        height: 640px;
        margin: 0 auto;
        .img-box {
            height: 90px;
        }
        .middle-box {
            width: 1000px;
            height: 550px;
            background-color: #fff;
            border: 1px solid #ccc;
            position: absolute;
            bottom: 0;
            left: 50%;
            margin-left: -500px;
            text-align: center;
            h1 {
                margin-top: 50px;
                font-weight: 500;
            }
            .box {
                .two {
                    width: 200px;
                    input {
                        width: 140px;
                    }
                }
                .box1 {
                    position: absolute;
                    top: 168px;
                    left: 570px;
                    width: 100px;
                    height: 40px;
                    border: 1px solid #ccc;
                    img{
                        width: 100px;
                        height: 40px;
                    }
                }
                p {
                    margin-left: 330px;
                    width: 340px;
                    height: 40px;
                    border: 1px solid #ccc;
                    box-sizing: border-box;
                    span {
                        width: 20px;
                        height: 20px;
                        margin-left: 10px;
                        margin-top: 10px;
                        overflow: hidden;
                        float: left;
                    }
                    .o {
                        background: url("../images/img/a.png");
                        background-position: -570px -24px;
                    }
                    .t {
                        background: url("../images/img/a.png");
                        background-position: -570px 0px;
                    }
                    .th {
                        background: url("../images/img/a.png");
                        background-position: -570px -48px;
                    }
                    .f {
                        background: url("../images/img/a.png");
                        background-position: -570px -48px;
                    }
                    input {
                        outline: none;
                        border: none;
                        width: 280px;
                        height: 38px;
                        box-sizing: border-box;
                    }
                }
            }
            button{
                width: 340px;
                height: 40px;
                color: #fff;
                background-color: #B32424;
            }
        }
    }
}
